.sub-topic-wrapper {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
  
}

.sub-topic-wrapper .sub-topic-title {
    color: var(--text-secondary, #5D5D5C);
    font-family: "HyundaiSansHead-Regular";
    font-size: var(--font-size-xl, 20px);
    font-style: normal;
    font-weight: 400;
    line-height: 140%;
    margin: 24px 0 8px;
}

@media (max-width: 650px) {
    .sub-topic-wrapper .sub-topic-title {
        font-size: 18px;      
        line-height: 133.333%;
        margin: 16px 0 4px;      
    }
}